The Origin and Purpose of Blue Eyes

Why do some people have blue eyes? What is the evolutionary advantage of having blue eyes? Where did blue eyes evolve? Blue eyes have piqued curiosity for centuries, standing out as a mesmerising and rare trait among humans. Discover the underlying science behind blue eyes as we explore various theories and genetic factors that contribute to their existence. They were mainly associated with Mesolithic Western Hunter Gatherers like Cheddar man but the origin and story of this phenotype is complicated. A new study from Liverpool may have the answer as to what benefit this trait has - better ability to see in low light.

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Sources:
https://www.biorxiv.org/content/10.11...
https://www.sciencedaily.com/releases...